. >> news international executives have been summoned to a meeting with detectives here at scotland yard. the fundamental question remains. who knew about phone hacking and how long has it been going on? dan rivers, cnn, london. >> well, the decision to withdraw advertising revenue and advertising business from companies like ford with the news of the world is one not being taken lightly. although the latest sales figures for the month of april show the sunday newspaper circulation was down 8% on last year. take a look at this. it still has almost 28% of the market. that means it puts up a total of no less than $2.61 million in terms of sales. you're watching world business today. european leaders meet to see how far they're willing to go to help greece. portugal's phones are being cut. and the u.s. debt ceiling is in need of a lift. we're talking debt when we come back. man on tv: ...rbis and 36 homers. swings at the first pitch and fouls it deep back into the stands. [ding] [fans whirring] announcer: chill raw and prepared foods promptly. one in 6 americans will get sick from food pois